19377855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 38697984

約数和(自身を除く): 19320129

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 227, 271, 315, 681, 813, 1135, 1355, 1589, 1897, 2043, 2439, 3405, 4065, 4767, 5691, 7945, 9485, 10215, 12195, 14301, 17073, 23835, 28455, 61517, 71505, 85365, 184551, 307585, 430619, 553653, 922755, 1291857, 2153095, 2768265, 3875571, 6459285, 19377855]

約数ペア:

[(1, 19377855), (3, 6459285), (5, 3875571), (7, 2768265), (9, 2153095), (15, 1291857), (21, 922755), (35, 553653), (45, 430619), (63, 307585), (105, 184551), (227, 85365), (271, 71505), (315, 61517), (681, 28455), (813, 23835), (1135, 17073), (1355, 14301), (1589, 12195), (1897, 10215), (2043, 9485), (2439, 7945), (3405, 5691), (4065, 4767)]